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Sleeper sofas conveniently convert to function as a couch by day and a bed by night. Here are 12 of the best sleeper sofas, recommended by shoppers.
Children and adolescents (6-17) should do at least 60 minutes (1 hour) or more of moderate-to-vigorous physical activity daily. Aerobic: Most of the 60 minutes or more per day should be either moderate- or vigorous-intensity aerobic physical activity and should include vigorous intensity physical activity on at least 3 days a week.
Most types of physical activity improve health and well-being. Physical activity refers to any body movement that burns calories. “Exercise,” a subcategory of physical activity, refers to planned, structured, and repetitive activities aimed at improving physical fitness and health. [1]
Sleep hygiene studies use different sets of sleep hygiene recommendations, [15] and the evidence that improving sleep hygiene improves sleep quality is weak and inconclusive as of 2014. [2] Most research on sleep hygiene principles has been conducted in clinical settings, and there is a need for more research on non-clinical populations. [2]
The metabolic equivalent of task (MET) is the objective measure of the ratio of the rate at which a person expends energy, relative to the mass of that person, while performing some specific physical activity compared to a reference, currently set by convention at an absolute 3.5 mL of oxygen per kg per minute, which is the energy expended when sitting quietly by a reference individual, chosen ...
The paper titled "National Sleep Foundation's sleep time duration recommendations: methodology and results summary" was published in the peer-reviewed Sleep Health Journal. [5] NSF convened an expert panel of 18 leading scientists and researchers tasked with updating the official sleep duration recommendations.
Polyphasic sleep is the practice of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, which is one period of sleep within 24 hours. Biphasic (or diphasic , bifurcated , or bimodal ) sleep refers to two periods, while polyphasic usually means more than two. [ 1 ]
Sleep apnea (or sleep apnoea in British English; /æpˈniːə/) is a sleep disorder characterized by pauses in breathing or instances of shallow or infrequent breathing during sleep. Each pause in breathing, called an apnea, can last for several seconds to several minutes, and may occur 5 to 30 times or more in an hour.